62 ST. john's-wort family. 



++ +* Shrubby, evergreen or nearly so, orrhj Southern. 



H. fasoieul^tum, Fascicled S. Leaves narrow-linear an4 small, and 

 ■H-lili sliorter ones clustered in the axils ; pod nan'ow. Wet pine barrens. 



H. myrtifdlium, MviiTLK-LBAVKD S. Leaves heart-shaped and partly 

 clasping, thick, glaucous ; pod conical. Wet pine barrens. 



H. aiireum, Golden S. Leaves oblong with a narrow base, glaucous 

 beneath; thick; flowers mostly single, very large (2' broad), orange-yellow; 

 pod ovate. River-banks towards the mountains. 



H. nudifldrum, Naked-clustered S. Shrubby and evergreen S., less 

 so in Virginia, &c., has 4-angled branches, oblong pale leaves, and a peduncled 

 uakcd cyme of rather small flowers ; pods conical. 



H-, *+ J-* Herlxiceous, simple-stemmed. Northern Sf Western. 



H. sphseroc^pon, SpHEUiOAL-rEuiTED S. About 2° high ; leaves 

 diverging, oblong-linear (,2' long), obtuse ; flowers numerous, small, in a naked 

 flat cyme ; sepals ovate ; pod globular, 1 -celled. Kocky banks, W. 



H. adpressum, Upright-leaved S. A foot high; leaves ascendin-j, 

 lanceolate, often acute ; flowera few and rather small ; sepals narrow ; pod 

 oblong, partly 3-celled. Low grounds, Pennsylvania to Rhode Island. 



H. eliipticum, Elliptical-leaved S. Barely 1° high ; leaves spread- 

 ing, oblong, thin ; flowers rather few in a nearly naked cyme, pale ; the pod 

 purple, obloi(g-oval, obtuse, 1-celled. Wet soil, N. 



■I- -1- 4- Styles 3 wholly separate {see Lessons, fig. 255) : herbs. 

 ■w- Ovary and pod 3-celled : petals black-dotted : styles mostly diverging, 



H. perforatum, Common S. The only one not indigenous, nat. from 

 Eu., a troublesome weed in fields, &c. ; spreads by mnners from the base; 

 upright stems buanchin^ ; leaves oblong or linear-oblong, with pellucid dots ; 

 flowers rather large in open leafy cymes ; the deep yellow petals twice the length 

 of the lanceolate acute sepals. The juice is very acrid. 



H. corymbdsum, Coeymbed S. Common N. in moist ground ; stem 

 2° high, sparingly branched ; leaves oblong, slightly clasping, having black as 

 well as pellncid dots ; flowers rather small, crowded ; petals light yellow and 

 black-lined as well as dotted ; sepals oblong ; styles not longer than the pod. 



H. macul&,tura, Spotted S. Common S. has somewhat heart-shaped 

 or more clasping leaves, lanceolate sepals, and very long and slender styles : 

 othenvise like the last. 



*+ -M- Ovary \-celled: stem strict : leaves ascending, acute, closely sessile, short. 



H. angulosum, Angled S. Wet pine-barrens from New Jersey S. 

 Stem sharply 4-angled (l°-2° high), smooth; leaves ovate or lance-oblong; 

 flowers scattered along the ascending branches of the cyme, small, copper- 

 yellow ; styles slender. 



H. pildsum, Hairy S. Wet pine-barrens S. Stem terete, and with the 

 lance-ovate leaves roughish-downy ; styles short. 



* * Annual, low and slender, small-flowered herbs : stamens 5-12: ovary and 

 broum-purple pod strictly l-cetled: styles 3, separate: sepals nairoio, erect: 

 petals narrow. 



1- Leaves conspicuous and spreading : flowers in cymes. 



H. mutUum, Small S. Slender, much branched and leafy up to the 

 flowers ; leaves partly clasping, thin, 5-nerved, ovate or oblong ; petals pale 

 yellow. Everjrwhere in low grounds. 



H. Canad^nse, Canadian S. Stem and branches strictly erect ; leaves 

 linear or lanceolate, S-neiwed at the base ; petals copper-yellow. Wet sandy soil, 



1- -t- Leaves erect, awl-shaped or scale-like and minute : flowers very small and 

 scattered along tlie numerous bushy and iciry slender branches. 



H. Drumm6ndii, Drummond's S. In dry barrens, W. Illinois and S., 

 with lincar-awl-shaped leaves, short-pedicellod flowers, and pods not longer than 

 the calyx. 



H. Sarbthra, Orange-grass or Pine-weed. Common in di-y sterile 

 soil, with minute awl-shaped appressed scales for leaves, flowers sessile on tha 

 wiry branches, and slender pods much exceeding the calyx. 



